Metallic hoop for barrels, &amp;c.



R. M. PARKER.

METALLIC HOOP FOR BARRELS, 8L0. APPLICATION FILED OCT. 19. 1914.

1,169,281 v Patented Jan. 25, 1916.

W/TNESSES' A TTO/B/VE Y.

nnirnn srasfraraiar entries,

ROBERT llf. PARKER, 01" NEVJ YORK, N. 5., ASSIGITGR T0 BROOKLYN COOPERAGE (30., OF BROOKLYN, NEW YORK.

METALLIC noes non sea ants, as.

Litiilfihi.

Specification of Letters Eatent.

. V Patented Jan. 25, E516,

To all whom 2'2? may concern:

Be it known that 1, ROBERT M. PARKER, a citizen of the United States, and a resident of the borough of Manhattan, city, county, and State of New York, have invented certain new and useful improvements in Metallic Hoops for Barrels, &c., of which the following is a specification.

My invention relates to fastenings for barrels, &c., comprising hoops by which the staves and other. parts of the package are held in position, and it particularly relates to barrels of'the slack barrel hoop type in which the staves, unless firmly secured in position, are apt to slip laterally, or lap over each other, owing to the lightness and thinnessof the material used in their formation.

Wire binding hoops are strong and effective if properly driven on the bilge and held in position thereon against any tendency to slip orcreep loose under strain of use, and the main object of my invention is to aflord a fastening in which the wire binding hoop is securely locked in position by a simple, cheap supplemental hoop which also reinforces and strengthens the structure, as hereinafter more fully set forth,the distinctive feature of my invention consisting in the combination and use with a wire binding hoop of a driving and retaining hoop made of a relatively thin, narrow strip of sheet metal both edges of which are corrugated transversely, one to form the drive edge and the other for contacting with the wire binding hoop.

In the accompanying drawings, Figure 1, is a perspective view of the drive hoop; Fig. 2, an edge view of the overlapping ends thereof; Fig. 3, a front View of the parts shown in Fig. 2; Fig. i, a cross section of the hoop and adjacent portion of a stave; Fig. 5, a cross section of the drive hoop.

ya, represents a binding hoop circular in cross section, or substantially so, and preferably made in the usual way from metallic wire :of suitable strength and tenacity.

b, is the retaining and reinforcing hoop madeof a strip 6 of comparatively thin sheet metal, the ends of which may be secured together in any suitable or desired manner to complete the hoop. Thus the ends of stripb, may overlap and be riveted together as represented in the drawings. Each edge-of the strip 7), is corrugated transversely, the one to form a driving edge 6 and the other to form a retaining shoulder Z2 for contacting with the binding hoop a, as shown in Fig. 4.

The transverse edge corrugations Z2 19 each are in the form of a continuous series of undulatory curves extending from the inner side plane 5 of the strip 6, outward laterally beyond the outer plane 72 of the stri b. T hat is to say the crest c, of each inner curve coincides with and is continuation of the inner body plane o of the strip 6, the protuberant portions 0, of the curves extending beyond the outer plane surface If, thereof as shown more particularly in Fig. 5. Thus to form the retaining hoop Z), shown in the drawings, a strip 6, of suitable length, (with its edges corrugated) is bent with the fiat, plain surface If, inward, the ends of'the strip overlapping and interlooking as shown in Fig. 2, and being riveted together through the fiat body portions in the usual manner. in this connection it has been found that this interlocking of the corrugations 2'1 Z2 where the ends of the strip Z2, overlap, greatly increases the strength of the joint,so much so that the strip will yield or tear laterally under test s rain while the rivets hold intact, and hence it is possible in this construction of driving and reinforcing hoop to use smaller rivets than heretofore without weakening the hoop,-a result of practical value and importance in the manufacture of hoops in large quantities. For a like reason the economy effected in the width of material used to form this hoop (as compared with a beaded or flanged hoop) is of vast importance where such hoops are turned out by the million, as for sugar barrels and the like, where the saving of a small fraction of an inch in the width of the metal strip 6', is equivalent to a saving in cost of a cent or two a barrel. And by my construction I am not only enabled to use a sheet metal drive and retaining hoop made from a minimum width of material but also, by reason of the strengthening and stifiening effect of both edge corrugations, I am enabled to use much thinner sheet metal than heretofore, since my corrugated edge drive 6 and corrugated retaining edge or shoulder 5 bear the brunt of the tightening operation without danger of disintegration or collapse. In fact, for that matter, the strain during the tightening operation being transverse to the corrugations, the latter are able to stand and preserve their shape and integrity under any pressure to which they may thus be subjected, so that the flat body portion'of the strip or hoop is fully reinforced and protected against any strain towhich it could possibly be subjected under ordinary conditions of use. As a Consequence it is possible to use a lighter weight or grade of sheet metal in the formation of the hoops than has heretofore been practicable, and thus effect a double economy in manufacture, in that I use a thinner strip of less width, with the result that l thus attain a hoop of maximum strength with a minimum of material and cost,-and all this while affording a hoop superior in simplicity and effectiveness of structure. And the combined saving in weight involved in the use of narrower strips of lighter material may be considered as equivalent to at least three cents per barrel of the slack barrel hoop type, to which my improvements are particularly adapted, although not necessarily limited thereto.

Another advantage of the corrugated edges [5 5 of the hoop b, for driving and for contacting with the binding wire hoop a, as compared with a beaded or flanged hoop for the same purpose, is that the transverse corrugations yield uniformly during the bending of the strip 6, to form the hoop, whereas beads or flanges are apt to be broken or impaired during such bending operation, to which they obviously are opposed. It is thus obvious thatthe making of the drive 72 and the retaining shoulder 6 entirely within the maximum width of the loop is a most valuable and distinctive feature of my invention, since it not only simplifies and cheapens the structure but also affords a snugly fitting retaining hoop which clings tenaciously to the staves,the broad fiat surface of relatively thin material 6, adapting itself perfectly to the contour of the staves while the stiffened yet elastic drive edge 6 tends to impinge therein,- the crests c, of the inner curves of thecorrugations t acting as teeth which bight more or less into the outer surfaces of the staves, owing to the customary flare of the hoop to conform to the bilge of the barrel, and to the usual stress of the driving operation,- sufiiciently so at least to prevent any slip or retractile movement of the hoop under ordinary conditions of use while not interfering with the further drive of the binding hoop a, and retaining hoop b, if necessary. to compensate for shrinkage &c.

Used as a fastening for slack barrels my combination of wire binding hoop and special construction of driving and retaining hoop effectually holds the staves in po- Copies of this patent may be obtained for sition, and prevents their slipping, overlapping, &c., in a manner, heretoforetoo Well known in the art relating to slack barrel hoops,and which it is one of the objects of my invention to obviate. Furthermore my corrugated edge drive and corrugated retaining edge render the reinforcing hoop b, more springy and elastic, and better adapted to conform to slight irregularities of shape or structure apt to occur in the manfacture of slack-barrels. And the corrugated edges are better adapted than beads or flanges to slide over skids &c., in the handling and transportation of the barrel, since they are less likely to catch thereon, thus obviating a danger to which the beaded or flanged hoops are subjected, z. e. that of being loosened up or pushed back onto the narrower part of the bilge, frequently resulting in springing or opening up of the package if not in its disintegration.

What I claim as my invention and desire to secure by Letters Patent is, i

1. A fastening for barrels and the like, comprising a relatively flat thin metallic hoop formed with transversely corrugated edges one of which constitutes the drive edge of the hoop, and a second hoop hav ing a substantially circular cross section and contacting with the other corrugated edge of the said flat metal hoop, for the purpose described.

2. A fastening for barrels and the like,

comprising a metallic hoop of substantially circular cross section, and a supplemental metallic hoop of relatively flat, thin cross section formed with transversely corrugated edges one constituting the driving edge and the other contacting with the aforesaid hoop circular in cross section, the protuberance of the said corrugations on the edges of the relatively flat hoop being on the outer side thereofonly, for the purpose described.

3. A fastening for barrels and the like, comprising a wire binding hoop and a relatively flat supplementary retaining hoop consisting of a strip of sheet metal corrugated laterally on both edges to form continuous series of undulatory curves extending around said sheet metal hoop, the protuberance of the corrugations bej -pg on the outer side of said sheet metal hoop only, and one edge thereof constituting the driving edge and the other contacting with said wire binding hoop, for the purpose described.

ROBERT M. PARKER.

Witnesses:

THOMAS A. SULLIVAN, FRANK L. VAN TASSELL.

five cents each, by addressing the Commissioner of Patents, Washington, D. G. f 

